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Explore our oceans from space. Discover how Earth observation allows us to monitor ocean health, and inform policy and planning. This free online course will provide an introduction to ocean monitoring Earth Observation (EO) satellite data, and its uses, types and challenges. It will explain how the data is acquired and used, the range of data types available, and the terminology and techniques involved.

Discover how optical Earth observation data is gathered and used in this free online course from the European Space Agency (ESA). Earth observation (EO) encompasses a series of techniques that use remote sensing to monitor changes to our climate, and natural and built environment.

Explore our planet from space and learn how Earth observation is used to monitor climate change, with this free online course. It is increasingly essential for us to study climate change across the planet at the highest level of detail possible. But how can we achieve such a comprehensive worldwide view?